//_themes.scss
//当HTML的data-theme为dark时，样式引用dark
//data-theme为其他值时，就采用组件库的默认样式
//这里我只定义了两套主题方案，想要再多只需在`$themes`里加就行了
//注意一点是，每套配色方案里的key可以自定义但必须一致，不然就会混乱

$themes: (

    light: (
        //字体
        font_color1: #414141,
        font_color2: white,
        
        //背景
        background_color1: #fff,
        background_color2: #f0f2f5,
        background_color3: red,
        background_color4: #2674e7,
        
        //边框
        border_color1: #3d414a,
    
    ),
    
    dark: (
        //字体
        font_color1: #a7a7a7,
        font_color2: white,
        
        //背景
        background_color1: #1b2531,
        background_color2: #283142,
        background_color3: #1e6ceb,
        background_color4: #323e4e,
    
        //边框
        border_color1: #3d414a,
    
    )
);


//遍历主题map
@mixin themeify {
    @each $theme-name, $theme-map in $themes {
        //!global 把局部变量强升为全局变量
        $theme-map: $theme-map !global;
        //判断html的data-theme的属性值  #{}是sass的插值表达式
        //& sass嵌套里的父容器标识   @content是混合器插槽，像vue的slot
        [data-theme="#{$theme-name}"] & {
            @content;
        }
    }
}

//声明一个根据Key获取颜色的function
@function themed($key) {
    @return map-get($theme-map, $key);
}

//获取背景颜色
@mixin background_color($color) {
    @include themeify {
        background-color: themed($color)!important;
    }
}

//获取字体颜色
@mixin font_color($color) {
    @include themeify {
        color: themed($color)!important;
    }
}

//获取边框颜色
@mixin border_color($color) {
    @include themeify {
        border-color: themed($color)!important;
    }
}

